Matches 1 - 27 out of 27


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US20110246069 Method for determining the trajectory of a ballistic missile  
A method for determining the trajectory of a ballistic missile using elevation and azimuth angle measurements comprises a step for determining, at different instants when the ballistic missile is...
US20150025801 GYRO DRIFT CANCELATION  
Methods, devices, and systems are presented for compensating for gyroscopic drift in a stabilized gimbal system mounted on a vehicle. When the vehicle is parked and the gimbal is not being...
US20110060523 Method of utilizing a personal navigation device to suggest alternate routes being identified by recognizable street names  
A method of presenting alternate routes to a user of a personal navigation device includes providing navigation instructions for guiding the user on an original route selected by the user,...
US20100198512 METHOD AND APPARATUS FOR PROVIDING RELIABLE EXTENDED EPHEMERIS QUALITY INDICATORS  
The present invention is related to location positioning systems, and more particularly, to a method and apparatus for providing reliable extended ephemeris information and indicators of quality....
US20090204324 Device and Method for Orbit Determination and Prediction of Satellites Providing Signals to Users  
A device and method for orbit prediction of satellites are provided. An accelerometer measures non-gravity forces acting on a satellite. A processor receives measured non-gravity forces from the...
US20080027646 Navigation system  
A navigation system calculates an original navigation route between a start point and an end point of a travel based on an input from a map data input unit or the like, and provides a navigation...
US20070050102 Space based navigation system  
The invention is a spaced based navigation system for guiding a spacecraft. In detail, the navigation system includes at least two Doppler range/range rate satellites positioned at LaGrangian...
US20060190174 Electronic compass and direction finding method  
An electronic compass and direction finding method includes a geomagnetic direction sensor having two sensor elements for detecting perpendicular components of the Earth's magnetic field vector. A...
US20080114546 Image navigation and registration accuracy improvement using parametric systematic error correction  
A novel Parametric Systematic Error Correction (ParSEC) system is disclosed which provides improved system accuracy for image navigation and registration (INR). This system may be employed in any...
US20090082967 Route length calculation apparatus, route length calculation method, route length calculation program, automotive air conditioner, and controller for apparatus mounted in mobile object  
A route length calculation apparatus comprises: a location detection unit for acquiring current location of a mobile object; an event detection unit for detecting the occurrence of an applicable...
US20080125971 METHOD AND APPARATUS FOR IMPROVING ACCURACY AND/OR INTEGRITY OF LONG-TERM-ORBIT INFORMATION FOR A GLOBAL-NAVIGATION-SATELLITE SYSTEM  
A method and apparatus for monitoring a configuration of satellites to maintain integrity of LTO information in a GNSS receiver of a GNSS or other positioning system is described. The method may...
US20090048780 Methods and apparatus for planetary navigation  
A method of navigating a space vehicle. An image of a planet surface is received. The received image is processed to identify edge pixels and angle data. The edge pixels and angle data are used to...
US20060122776 Backtrack orbit search algorithm  
A method of searching an inventory of satellite remote sensing data for data granules, scenes, or images that cover a specified area of interest whereby each data granule is indexed to the...
US20080189037 METHOD AND APPARATUS FOR DECOMPRESSION OF COMPRESSED LONG-TERM-ORBIT DATA  
A method and apparatus for processing long-term-orbit data that is valid for an extended period of time into the future (i.e., long-term-orbit data). The long-term-orbit data is processed by...
US20100228480 SPACE SATELLITE TRACKING AND IDENTIFICATION  
A Space Tracking and Identification (STI) method and system uses low-cost identification and location beacon devices situated on each satellite. Preferably, these beacon devices are substantially...
US20050114024 System and method for navigating using a digital compass  
A method for configuring a digital compass processor to provide a desired bearing. The method includes receiving a first bearing in the digital compass processor based on an alignment of a first...
US20090135061 METHOD AND DEVICE FOR PREDICTING GNSS SATELLITE TRAJECTORY EXTENSION DATA USED IN MOBILE APPARATUS  
A method and device for predicting satellite trajectory extension data used in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a...
US20140350849 System and Method of Locating Prey  
A method includes receiving location data corresponding to a physical location of a user at a computing device and receiving prey data corresponding to a relative position of an animal at the...
US20100289697 METHOD AND DEVICE FOR PREDICTING GNSS SATELLITE TRAJECTORY EXTENSION DATA IN MOBILE APPARATUS  
A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor....
US20080288168 Method for Determining the Position of Satellites in a Navigation System  
This invention relates to a method for determining the position of satellites in a satellite navigation system. The method uses satellite position data (42) external to the navigation system and...
US20070299609 Method and system for ephemeris extension for GNSS applications  
Methods and devices for calculating long-validity satellite prediction data, compacting such data and providing the data GNSS receivers are presented. The data are compacted using a multistage...
US20060031014 Azimuth processing device, azimuth processing method, azimuth processing program, direction finding device, tilt offset correcting method, azimuth measuring method, compass sensor unit, and portable electronic device  
An azimuth processing device is designed for outputting azimuth data based on measurement data sequentially output from a compass sensor. In the device, an accumulation section selectively...
US20090088979 Automated machine navigation system with obstacle detection  
A system is provided for automatically operating a machine. The system has a position monitor configured to monitor a position of the machine and a plurality of sensors configured to sense objects...
US20100228481 Image navigation and registration accuracy improvement using parametric systematic error correction  
A novel Parametric Systematic Error Correction (ParSEC) system is disclosed which provides improved system accuracy for image navigation and registration (INR). This system may be employed in any...
US20150142312 METHOD AND APPARATUS FOR ESTIMATING MOVING DIRECTION OF USER AND COMPUTER-READABLE STORAGE MEDIUM HAVING RECORDED THEREON THE METHOD  
A method of estimating a moving direction of a user of an apparatus is provided. The method includes obtaining change information of acceleration according to motions of the user from an...
US20120323491 Method and Apparatus for Determining Direction of the Beginning of Vehicle Movement  
A method of movement mode determination comprising measurement of vehicle's position and orientation and calculation of movement parameters, a compass on the vehicle, is azimuthally oriented along...
US20150346730 SYSTEMS AND METHODS FOR DYNAMIC POSITIONING  
A system for minimizing fuel consumption in a dynamic positioning (DP) vessel comprising a measurement system, an observer system, a control system and a thruster system. The heading of the vessel...

Matches 1 - 27 out of 27